Warning I am still a Racket intermediate user but I've been studying
syntactic extensions a lot the past several months.
The problem here is macros in Racket have lexical scope just like
procedures, they are hygienic macros. The identifiers you introduced in the
with-tables macro only exist or
The new design looks good on my iPhone and on desktop. It is a good
improvement over the old site.
To add to Neil's comment about dividing into two sections for experienced
programmers and educational outreach for aspiring programmers. One issue I
often see with others when talking about Racket
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